20408873178

素因数分解:

$2^1\times 3^1\times {\mathrm{71}}^1\times {\mathrm{47908153}}^1$

素因数の和:47908229

約数の個数: 16

約数和(自身を含む): 41392645056

約数和(自身を除く): 20983771878

約数列:

[1, 2, 3, 6, 71, 142, 213, 426, 47908153, 95816306, 143724459, 287448918, 3401478863, 6802957726, 10204436589, 20408873178]

約数ペア:

[(1, 20408873178), (2, 10204436589), (3, 6802957726), (6, 3401478863), (71, 287448918), (142, 143724459), (213, 95816306), (426, 47908153)]